.flex {
  display: flex;
}
.flex-middle {
  align-items: center;
}
.flex-1 {
  flex: 1;
}
.shrink-0 {
  flex-shrink: 0;
}
@each $key, $value in (between: space-between, center: center, around: space-around, end: flex-end) {
	.flex-#{$key} {
		justify-content: $value;
	}
}